Rodriguez appeared in two games for the D'Backs after they acquired him in last summer's Dan Haren trade. The 26-year-old has a 5.60 ERA with 13 strikeouts and 12 walks in 35 1/3 big league innings since 2009. Rodriguez posted a 4.26 ERA with 5.3 K/9 and 3.0 BB/9 at Triple-A for the D'Backs and Angels last year.